chore: address cargo clippy warnings

[marxin]

Addresses:

warning: this `if` guard returns a bool literal and is followed by another
  --> libwild/src/export_list.rs:44:9
   |
44 | /         if self.0.general.matches_all() || self.0.cxx.matches_all() {
45 | |             return true;
...  |
48 | |         false
   | |_____________^ help: you can reduce it to: `self.0.general.matches_all() || self.0.cxx.matches_all()`